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Abstract

It is shown that the cross section for scattering in the long-wavelength limit from a lossy dielectric sphere varies as λ−2 and not as λ−1, as is suggested in standard treatments of the subject. The λ−1 variation is in conflict with the analytic properties of the scattering amplitudes as a function of k = 2πλ−1, and this conflict is resolved when the wavelength dependence of the dielectric constant is taken into account.

References

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